97870660

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{439}}^1$

素因数の和:676

約数の個数: 48

約数和(自身を含む): 210228480

約数和(自身を除く): 112357820

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 157, 284, 314, 355, 439, 628, 710, 785, 878, 1420, 1570, 1756, 2195, 3140, 4390, 8780, 11147, 22294, 31169, 44588, 55735, 62338, 68923, 111470, 124676, 137846, 155845, 222940, 275692, 311690, 344615, 623380, 689230, 1378460, 4893533, 9787066, 19574132, 24467665, 48935330, 97870660]

約数ペア:

[(1, 97870660), (2, 48935330), (4, 24467665), (5, 19574132), (10, 9787066), (20, 4893533), (71, 1378460), (142, 689230), (157, 623380), (284, 344615), (314, 311690), (355, 275692), (439, 222940), (628, 155845), (710, 137846), (785, 124676), (878, 111470), (1420, 68923), (1570, 62338), (1756, 55735), (2195, 44588), (3140, 31169), (4390, 22294), (8780, 11147)]